Improvement in slate-frames



y @wird tates aient dimite.

CHARLES B` D1cKINs0N, or vNEW YORK, N. Y.

Letters ,Patent No. 100,507, dated March 8, 1870.

IMPROVEMENT IN SLATE-FRAMES.

The Schedule referred to in these Letters Patent and making part of the sama To all whom it may concern; l

Be it known that I, CHARLES B'. Dicxmsomeof the jityand State of New York; have invented and made a-new and nsei'nl Improvement i`n Slate-Frame Protectors, and the following is declared to be a correct description thereof.Y

My invention is designed to protect both the snrfaceV and the edge of the slatetrame by a piece of elastic material extending aoundfrom one side to the other, and having projecting fenders that prevent the head of the tack, `by which the stripv of elastic material is attached, from contact with the table or desk.

In the drawing- Fgure 1 represents a slate With the projectors ap-.

plied thereto, and

Figure 2 is a section at the line x as. I

The slate a, with its surrounding frame b, is to be of any usual or desired character.

The protectorsc are made of strips of India rubber, having fenders Il (l` projecting near the ends.

These protectors lc and fenders d may be made in sheets or long strips, and eut up transversely,` of the proper width, to form the saidprotectors c. i

The ends of these protectors c 'are attached by tacks e inserted between the fenders cl d, so that said fenders d prevent injury from theheads ofthe tacks.

A tack may be inserted near the middle of t-lie pro- .tector and passing into the edge of the haine, andat Witnesses Chas. H. Saurer, Gao. T. PINCKNEY- 

